{"product_id":"cat-3516-149-6031-main-bearing","title":"149-6031 Caterpillar 3516 Main Bearing | Engine Rebuild Parts","description":"\u003ch2\u003eCAT 149-6031 Caterpillar 3516 Main Bearing\u003c\/h2\u003e\u003cp\u003eOEM-quality crankshaft main bearing for Caterpillar 3516 diesel engines. Provides a precision bearing surface between the crankshaft main journal and the engine block bearing bore, supporting the full rotating assembly load while maintaining a hydrodynamic oil film to prevent metal-to-metal contact. Manufactured to OEM specifications for correct wall thickness, width, oil groove and hole geometry, and bearing material, ensuring reliable performance and long service life under heavy-duty continuous operation. Essential for engine block rebuild and crankshaft overhaul. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.\u003c\/p\u003e\u003ch3\u003ePart Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 149-6031\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Main Bearing (Crankshaft Main Bearing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New \/ OEM Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code:\u003c\/strong\u003e 8409.99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial \/ Marine \/ Power Generation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Engine Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCaterpillar 3516\u003c\/li\u003e\n\u003cli\u003eCaterpillar 3516B\u003c\/li\u003e\n\u003cli\u003eCaterpillar 3516C\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePlease confirm compatibility with your engine serial number before ordering.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCross Reference Numbers\u003c\/h3\u003e\u003cp\u003e149-6031 | 1496031 | CAT1496031\u003c\/p\u003e\u003ch3\u003eWhy Choose Us?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGlobal B2B wholesale supply\u003c\/li\u003e\n\u003cli\u003eBulk pricing available — contact us for a quote\u003c\/li\u003e\n\u003cli\u003eFast international shipping\u003c\/li\u003e\n\u003cli\u003eOEM \u0026amp; aftermarket options\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNeed bulk pricing or a custom quote?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eSubmit an RFQ →\u003c\/a\u003e\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":56892405874854,"sku":"CAT-149-6031","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/6655\/9142\/files\/arnes-de-inyectores-caterpillar-149-6031-motor-diesel.webp?v=1785577336","url":"https:\/\/motorpartshub.online\/products\/cat-3516-149-6031-main-bearing","provider":"Motor Parts Hub","version":"1.0","type":"link"}